"use strict";
cc._RF.push(module, '336cf5IdsVKa4Jes7v6GBFZ', 'ArrayUtil');
// scripts/ArrayUtil.js

"use strict";

var e = require;
var t = module;
var o = exports;

var _ii,
    nn = void 0 && (void 0).__extends || (_ii = function ii(t, e) {
  return (_ii = Object.setPrototypeOf || {
    __proto__: []
  } instanceof Array && function (t, e) {
    t.__proto__ = e;
  } || function (t, e) {
    for (var o in e) {
      Object.prototype.hasOwnProperty.call(e, o) && (t[o] = e[o]);
    }
  })(t, e);
}, function (t, e) {
  function o() {
    this.constructor = t;
  }

  _ii(t, e), t.prototype = null === e ? Object.create(e) : (o.prototype = e.prototype, new o());
}),
    rr = void 0 && (void 0).__awaiter || function (t, e, o, i) {
  return new (o || (o = Promise))(function (n, a) {
    function r(t) {
      try {
        l(i.next(t));
      } catch (e) {
        a(e);
      }
    }

    function s(t) {
      try {
        l(i["throw"](t));
      } catch (e) {
        a(e);
      }
    }

    function l(t) {
      var e;
      t.done ? n(t.value) : (e = t.value, e instanceof o ? e : new o(function (t) {
        t(e);
      })).then(r, s);
    }

    l((i = i.apply(t, e || [])).next());
  });
};

var oo = void 0 && (void 0).__decorate || function (e, t, a, n) {
  var i,
      o = arguments.length,
      s = o < 3 ? t : null === n ? n = Object.getOwnPropertyDescriptor(t, a) : n;
  if ("object" == typeof Reflect && "function" == typeof Reflect.decorate) s = Reflect.decorate(e, t, a, n);else for (var r = e.length - 1; r >= 0; r--) {
    (i = e[r]) && (s = (o < 3 ? i(s) : o > 3 ? i(t, a, s) : i(t, a)) || s);
  }
  return o > 3 && s && Object.defineProperty(t, a, s), s;
};

Object.defineProperty(o, "__esModule", {
  value: !0
});

var a = function () {
  function e() {}

  return e.copy2DArray = function (e) {
    for (var t = [], o = 0; o < e.length; o++) {
      t.push(e[o].concat());
    }

    return t;
  }, e.fisherYatesShuffle = function (e) {
    for (var t = e.length; t;) {
      var o = Math.floor(Math.random() * t--),
          a = e[t];
      e[t] = e[o], e[o] = a;
    }

    return e;
  }, e.confound = function (e) {
    return e.slice().sort(function () {
      return Math.random() - 0.5;
    });
  }, e.flattening = function (e) {
    for (; e.some(function (e) {
      return Array.isArray(e);
    });) {
      e = [].concat.apply([], e);
    }

    return e;
  }, e.combineArrays = function (e, t) {
    return __spreadArrays(e, t);
  }, e.getRandomValueInArray = function (e) {
    return e[Math.floor(Math.random() * e.length)];
  }, e;
}();

o["default"] = a;

cc._RF.pop();